Thread Inserts
Thread inserts & calibration plates are standard for the following threads and most are in stock:
600 M, MF, UNC, UNF, UNEF, UNS, 550 Whitworth, G, BSP, R, Rc, BSPT,
600 NPS, NPT, 300 Tr, 290 ACME, Stub Acme, 800 Pg, Buttress (all types), API, etc.